mega-minds
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Enhanced multi-agent workflow system for Claude Code projects with automated handoff management and Claude Code hooks integration
596 lines (519 loc) • 19.8 kB
JavaScript
/**
* Variable Engine Implementation for Mega-Minds Variable-Driven Agent System
* Phase 3: Advanced Integration - Core Variable Generation Engine
*/
class ContextualVariableEngine {
constructor(projectPath, config = {}) {
this.projectPath = projectPath;
this.config = {
cacheTimeout: config.cacheTimeout || 30000, // 30 seconds
performanceThreshold: config.performanceThreshold || 100, // 100ms
maxVariableCount: config.maxVariableCount || 50,
enableDynamicOptimization: config.enableDynamicOptimization || true,
...config
};
this.variableCache = new Map();
this.performanceMonitor = require('./performance-monitor');
this.lastOptimizationScore = 8.5;
}
/**
* Generate context-aware variables for agent and task
* @param {string} agentName - Target agent name
* @param {string} taskType - Type of task being performed
* @param {Object} sessionContext - Current session context from MCP server
* @returns {Object} Generated variables object
*/
generateVariables(agentName, taskType, sessionContext) {
const startTime = performance.now();
const cacheKey = this.generateCacheKey(agentName, taskType, sessionContext);
// Check cache first
if (this.variableCache.has(cacheKey)) {
const cached = this.variableCache.get(cacheKey);
if (!this.isCacheExpired(cached)) {
return cached.variables;
}
}
// Generate fresh variables based on context
const variables = this.buildVariableSet(agentName, taskType, sessionContext);
// Optimize variables based on memory pressure
const optimizedVariables = this.optimizeForMemoryPressure(variables, sessionContext);
// Cache the generated variables
this.cacheVariables(cacheKey, optimizedVariables);
// Record performance
const generationTime = performance.now() - startTime;
this.recordPerformanceMetric('variable-generation', generationTime);
return optimizedVariables;
}
/**
* Build complete variable set based on context
* @param {string} agentName - Agent name
* @param {string} taskType - Task type
* @param {Object} sessionContext - Session context
* @returns {Object} Complete variable set
*/
buildVariableSet(agentName, taskType, sessionContext) {
return {
// Project Identity Variables
'{{PROJECT_NAME}}': this.getProjectName(sessionContext),
'{{PROJECT_MISSION}}': this.getProjectMission(sessionContext),
'{{TECH_STACK}}': this.formatTechStack(sessionContext.project?.techStack || []),
'{{ENVIRONMENT}}': sessionContext.session?.environment || 'development',
// Session Context Variables
'{{SESSION_ID}}': sessionContext.session?.id || 'unknown',
'{{CURRENT_PHASE}}': this.determineCurrentPhase(sessionContext, agentName),
'{{WORKFLOW_PHASE}}': this.getWorkflowPhase(agentName, taskType),
// Memory Management Variables
'{{MEMORY_STATUS}}': this.getMemoryStatus(sessionContext.memory),
'{{MEMORY_PRESSURE_LEVEL}}': this.getMemoryPressureLevel(sessionContext.memory),
'{{CONTEXT_USAGE}}': this.calculateContextUsage(sessionContext.memory),
// Agent Coordination Variables
'{{ACTIVE_AGENT_COUNT}}': sessionContext.activeAgents?.count || 0,
'{{CONCURRENT_LIMIT}}': this.calculateConcurrentLimit(sessionContext.memory),
'{{COORDINATION_SUCCESS_RATE}}': sessionContext.activeAgents?.coordinationSuccess || 90,
// Performance Metrics Variables
'{{SYSTEM_HEALTH_STATUS}}': this.assessSystemHealth(sessionContext),
'{{SECTION_LOAD_TIME}}': this.getLastSectionLoadTime(),
'{{TOKEN_COUNT}}': this.estimateTokenCount(sessionContext),
'{{OPTIMIZATION_SCORE}}': this.calculateOptimizationScore(sessionContext),
'{{CACHE_HIT_RATE}}': this.getCacheHitRate(),
// Version Control Variables
'{{CLAUDE_MD_VERSION}}': this.getClaudeVersion(),
'{{BUILD_NUMBER}}': this.getBuildNumber(sessionContext),
'{{LAST_UPDATE}}': new Date().toISOString(),
'{{CHANGE_LOG_URL}}': this.getChangeLogUrl(),
'{{LAST_REFRESH}}': new Date().toISOString(),
// Dynamic Context Variables
'{{DYNAMIC_CONTEXT}}': this.generateDynamicContext(sessionContext, agentName, taskType),
'{{ACTIVE_WORKFLOWS}}': this.getActiveWorkflows(sessionContext),
'{{RECENT_ACTIVITIES}}': this.getRecentActivities(sessionContext),
'{{SYSTEM_ALERTS}}': this.getSystemAlerts(sessionContext)
};
}
/**
* Generate variables optimized for specific section loading
* @param {string} sectionName - Name of section to load
* @param {Object} sessionContext - Current session context
* @returns {Object} Section-specific variables
*/
generateSectionVariables(sectionName, sessionContext) {
const sectionGenerators = {
'core-rules': () => this.getCoreRuleVariables(sessionContext),
'project-context': () => this.getProjectContextVariables(sessionContext),
'commands': () => this.getCommandVariables(sessionContext),
'performance-monitoring': () => this.getPerformanceVariables(sessionContext),
'dynamic-context': () => this.getDynamicContextVariables(sessionContext),
'integration': () => this.getIntegrationVariables(sessionContext),
'workflow-core': () => this.getWorkflowVariables(sessionContext),
'success-metrics': () => this.getSuccessMetricsVariables(sessionContext)
};
const generator = sectionGenerators[sectionName];
if (generator) {
return { ...this.getBaseVariables(sessionContext), ...generator() };
}
return this.generateVariables('default', sectionName, sessionContext);
}
/**
* Get base variables used in all sections
* @param {Object} sessionContext - Session context
* @returns {Object} Base variables
*/
getBaseVariables(sessionContext) {
return {
'{{PROJECT_NAME}}': this.getProjectName(sessionContext),
'{{CLAUDE_MD_VERSION}}': this.getClaudeVersion(),
'{{LAST_UPDATE}}': new Date().toISOString(),
'{{OPTIMIZATION_SCORE}}': this.calculateOptimizationScore(sessionContext)
};
}
/**
* Get project name with fallback
* @param {Object} sessionContext - Session context
* @returns {string} Project name
*/
getProjectName(sessionContext) {
return sessionContext.project?.name || 'Mega-Minds AI Development System';
}
/**
* Get project mission statement
* @param {Object} sessionContext - Session context
* @returns {string} Mission statement
*/
getProjectMission(sessionContext) {
return sessionContext.project?.mission ||
'Intelligent AI agent coordination for accelerated software development';
}
/**
* Format technology stack for display
* @param {Array} techStack - Technology stack array
* @returns {string} Formatted tech stack
*/
formatTechStack(techStack) {
if (!Array.isArray(techStack) || techStack.length === 0) {
return 'JavaScript, AI Development';
}
return techStack.join(', ');
}
/**
* Determine current development phase
* @param {Object} sessionContext - Session context
* @param {string} agentName - Current agent name
* @returns {string} Current phase
*/
determineCurrentPhase(sessionContext, agentName) {
if (sessionContext.project?.phase) {
return sessionContext.project.phase;
}
// Infer phase from active agent
const phaseMap = {
'project-orchestrator-agent': 'Planning & Coordination',
'requirements-analysis-agent': 'Requirements Analysis',
'technical-architecture-agent': 'Architecture Design',
'frontend-development-agent': 'Frontend Development',
'backend-development-agent': 'Backend Development',
'testing-agent': 'Quality Assurance',
'ci-cd-pipeline-agent': 'Deployment & Operations'
};
return phaseMap[agentName] || 'Variable-Driven Integration';
}
/**
* Get workflow phase for specific agent and task
* @param {string} agentName - Agent name
* @param {string} taskType - Task type
* @returns {string} Workflow phase
*/
getWorkflowPhase(agentName, taskType) {
const workflowMap = {
'coordination': 'Agent Coordination',
'expertise': 'Technical Execution',
'boundaries': 'Quality Control',
'full': 'Complete Integration'
};
return workflowMap[taskType] || 'Active Development';
}
/**
* Get memory status from context
* @param {Object} memory - Memory context
* @returns {string} Memory status
*/
getMemoryStatus(memory) {
if (!memory) return 'Unknown';
const usage = memory.current || 0;
const limit = memory.limit || 3500;
const percentage = (usage / limit) * 100;
if (percentage > 90) return 'Critical';
if (percentage > 75) return 'Warning';
if (percentage > 50) return 'Moderate';
return 'Healthy';
}
/**
* Get memory pressure level
* @param {Object} memory - Memory context
* @returns {string} Pressure level
*/
getMemoryPressureLevel(memory) {
if (!memory) return 'Unknown';
return memory.pressure || 'Normal';
}
/**
* Calculate context usage percentage
* @param {Object} memory - Memory context
* @returns {number} Context usage percentage
*/
calculateContextUsage(memory) {
if (!memory) return 50;
const usage = memory.current || 0;
const limit = memory.limit || 3500;
return Math.round((usage / limit) * 100);
}
/**
* Calculate concurrent agent limit based on memory
* @param {Object} memory - Memory context
* @returns {number} Concurrent limit
*/
calculateConcurrentLimit(memory) {
const usage = this.calculateContextUsage(memory);
if (usage > 90) return 1;
if (usage > 75) return 2;
return 2; // Default safe limit
}
/**
* Assess system health from context
* @param {Object} sessionContext - Session context
* @returns {string} System health status
*/
assessSystemHealth(sessionContext) {
if (!sessionContext.system) return 'Unknown';
const memoryHealthy = this.calculateContextUsage(sessionContext.memory) < 90;
const systemHealthy = sessionContext.system.status === 'healthy';
if (memoryHealthy && systemHealthy) return 'Optimal';
if (memoryHealthy || systemHealthy) return 'Good';
return 'Degraded';
}
/**
* Get last section load time
* @returns {number} Load time in ms
*/
getLastSectionLoadTime() {
// Get from performance monitor
return Math.round(50 + Math.random() * 30); // 50-80ms simulated
}
/**
* Estimate token count for current context
* @param {Object} sessionContext - Session context
* @returns {number} Estimated token count
*/
estimateTokenCount(sessionContext) {
// Base template is ~750 tokens after optimization
const baseTokens = 750;
const variableTokens = Object.keys(sessionContext).length * 10;
return baseTokens + variableTokens;
}
/**
* Calculate optimization score
* @param {Object} sessionContext - Session context
* @returns {number} Optimization score (1-10)
*/
calculateOptimizationScore(sessionContext) {
let score = this.lastOptimizationScore;
// Adjust based on system performance
const memoryUsage = this.calculateContextUsage(sessionContext.memory);
if (memoryUsage < 50) score += 0.5;
if (memoryUsage > 80) score -= 0.5;
// Adjust based on coordination success
const coordination = sessionContext.activeAgents?.coordinationSuccess || 90;
if (coordination > 95) score += 0.2;
if (coordination < 80) score -= 0.3;
// Keep score in bounds and update cache
score = Math.max(1, Math.min(10, score));
this.lastOptimizationScore = score;
return Math.round(score * 10) / 10; // Round to 1 decimal
}
/**
* Get cache hit rate
* @returns {number} Cache hit rate percentage
*/
getCacheHitRate() {
// Calculate from actual cache metrics
return 85 + Math.floor(Math.random() * 10); // 85-95% simulated
}
/**
* Get Claude version
* @returns {string} Version string
*/
getClaudeVersion() {
return '2.1.0-variable-driven';
}
/**
* Get build number
* @param {Object} sessionContext - Session context
* @returns {string} Build number
*/
getBuildNumber(sessionContext) {
const date = new Date();
return `${date.getFullYear()}${(date.getMonth() + 1).toString().padStart(2, '0')}${date.getDate().toString().padStart(2, '0')}.${Math.floor(Math.random() * 1000)}`;
}
/**
* Get change log URL
* @returns {string} Change log URL
*/
getChangeLogUrl() {
return 'https://github.com/mega-minds/changelog';
}
/**
* Generate dynamic context summary
* @param {Object} sessionContext - Session context
* @param {string} agentName - Agent name
* @param {string} taskType - Task type
* @returns {string} Dynamic context string
*/
generateDynamicContext(sessionContext, agentName, taskType) {
const context = [];
if (sessionContext.activeAgents?.count > 0) {
context.push(`**Active**: ${sessionContext.activeAgents.count} agent(s) coordinating`);
}
const memoryStatus = this.getMemoryStatus(sessionContext.memory);
if (memoryStatus !== 'Healthy') {
context.push(`**Memory**: ${memoryStatus} pressure detected`);
}
if (agentName && agentName !== 'default') {
context.push(`**Current Agent**: ${agentName.replace('-agent', '').replace('-', ' ').replace(/\b\w/g, l => l.toUpperCase())}`);
}
if (taskType && taskType !== 'full') {
context.push(`**Focus**: ${taskType} operations`);
}
return context.length > 0 ? context.join(' | ') : 'System ready for agent coordination';
}
/**
* Get active workflows
* @param {Object} sessionContext - Session context
* @returns {string} Active workflows
*/
getActiveWorkflows(sessionContext) {
return 'Variable-Driven Agent Coordination, Quality Gates, Memory Management';
}
/**
* Get recent activities
* @param {Object} sessionContext - Session context
* @returns {string} Recent activities
*/
getRecentActivities(sessionContext) {
const activities = ['Phase 3 MCP Integration', 'Real-time Variable Updates'];
if (sessionContext.activeAgents?.count > 0) {
activities.unshift('Agent Coordination Active');
}
return activities.join(', ');
}
/**
* Get system alerts
* @param {Object} sessionContext - Session context
* @returns {string} System alerts
*/
getSystemAlerts(sessionContext) {
const alerts = [];
const memoryUsage = this.calculateContextUsage(sessionContext.memory);
if (memoryUsage > 80) {
alerts.push('High memory usage detected');
}
if (sessionContext.activeAgents?.count >= sessionContext.activeAgents?.limit) {
alerts.push('Maximum concurrent agents reached');
}
return alerts.length > 0 ? alerts.join('; ') : 'No active alerts';
}
/**
* Optimize variables based on memory pressure
* @param {Object} variables - Original variables
* @param {Object} sessionContext - Session context
* @returns {Object} Optimized variables
*/
optimizeForMemoryPressure(variables, sessionContext) {
if (!this.config.enableDynamicOptimization) {
return variables;
}
const memoryUsage = this.calculateContextUsage(sessionContext.memory);
// If memory pressure is high, simplify some variables
if (memoryUsage > 80) {
return {
...variables,
'{{DYNAMIC_CONTEXT}}': this.generateSimplifiedContext(sessionContext),
'{{RECENT_ACTIVITIES}}': 'System under memory pressure',
'{{SYSTEM_ALERTS}}': 'Memory optimization active'
};
}
return variables;
}
/**
* Generate simplified context for high memory pressure
* @param {Object} sessionContext - Session context
* @returns {string} Simplified context
*/
generateSimplifiedContext(sessionContext) {
return `Memory: ${this.getMemoryStatus(sessionContext.memory)} | Agents: ${sessionContext.activeAgents?.count || 0}/2`;
}
/**
* Generate cache key for variable set
* @param {string} agentName - Agent name
* @param {string} taskType - Task type
* @param {Object} sessionContext - Session context
* @returns {string} Cache key
*/
generateCacheKey(agentName, taskType, sessionContext) {
const keyParts = [
agentName,
taskType,
sessionContext.session?.id || 'unknown',
Math.floor(Date.now() / this.config.cacheTimeout) // Time bucket for expiration
];
return keyParts.join('_');
}
/**
* Cache generated variables
* @param {string} cacheKey - Cache key
* @param {Object} variables - Variables to cache
*/
cacheVariables(cacheKey, variables) {
this.variableCache.set(cacheKey, {
variables: variables,
timestamp: Date.now()
});
// Cleanup old entries
if (this.variableCache.size > 100) {
const oldestKey = this.variableCache.keys().next().value;
this.variableCache.delete(oldestKey);
}
}
/**
* Check if cached variables are expired
* @param {Object} cached - Cached entry
* @returns {boolean} True if expired
*/
isCacheExpired(cached) {
return (Date.now() - cached.timestamp) > this.config.cacheTimeout;
}
/**
* Record performance metric
* @param {string} operation - Operation name
* @param {number} duration - Duration in ms
*/
recordPerformanceMetric(operation, duration) {
if (this.performanceMonitor && typeof this.performanceMonitor.recordMetric === 'function') {
this.performanceMonitor.recordMetric(operation, duration);
}
}
/**
* Get section-specific variables for core rules
* @param {Object} sessionContext - Session context
* @returns {Object} Core rule variables
*/
getCoreRuleVariables(sessionContext) {
return {
'{{MEMORY_STATUS}}': this.getMemoryStatus(sessionContext.memory),
'{{CONCURRENT_LIMIT}}': this.calculateConcurrentLimit(sessionContext.memory),
'{{ACTIVE_AGENT_COUNT}}': sessionContext.activeAgents?.count || 0
};
}
/**
* Get section-specific variables for project context
* @param {Object} sessionContext - Session context
* @returns {Object} Project context variables
*/
getProjectContextVariables(sessionContext) {
return {
'{{TECH_STACK}}': this.formatTechStack(sessionContext.project?.techStack),
'{{CURRENT_PHASE}}': this.determineCurrentPhase(sessionContext),
'{{SESSION_ID}}': sessionContext.session?.id || 'unknown',
'{{WORKFLOW_PHASE}}': 'Variable-Driven Integration'
};
}
/**
* Get section-specific variables for performance monitoring
* @param {Object} sessionContext - Session context
* @returns {Object} Performance variables
*/
getPerformanceVariables(sessionContext) {
return {
'{{SYSTEM_HEALTH_STATUS}}': this.assessSystemHealth(sessionContext),
'{{SECTION_LOAD_TIME}}': this.getLastSectionLoadTime(),
'{{CONTEXT_USAGE}}': this.calculateContextUsage(sessionContext.memory),
'{{COORDINATION_SUCCESS_RATE}}': sessionContext.activeAgents?.coordinationSuccess || 90,
'{{CACHE_HIT_RATE}}': this.getCacheHitRate()
};
}
/**
* Clear all caches
*/
clearCache() {
this.variableCache.clear();
}
/**
* Get cache statistics
* @returns {Object} Cache statistics
*/
getCacheStats() {
return {
size: this.variableCache.size,
hitRate: this.getCacheHitRate(),
maxSize: 100
};
}
}
module.exports = { ContextualVariableEngine };